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/* Macros for taking apart, interpreting and processing file names.
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These are here because some non-Posix (a.k.a. DOSish) systems have
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drive letter brain-damage at the beginning of an absolute file name,
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use forward- and back-slash in path names interchangeably, and
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some of them have case-insensitive file names.
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Copyright 2000, 2001, 2007, 2010 Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#ifndef FILENAMES_H
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#define FILENAMES_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(__MSDOS__) || defined(_WIN32) || defined(__OS2__) || defined (__CYGWIN__)
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# ifndef HAVE_DOS_BASED_FILE_SYSTEM
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# define HAVE_DOS_BASED_FILE_SYSTEM 1
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# endif
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# define HAS_DRIVE_SPEC(f) HAS_DOS_DRIVE_SPEC (f)
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# define IS_DIR_SEPARATOR(c) IS_DOS_DIR_SEPARATOR (c)
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# define IS_ABSOLUTE_PATH(f) IS_DOS_ABSOLUTE_PATH (f)
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#else /* not DOSish */
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# define HAS_DRIVE_SPEC(f) (0)
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# define IS_DIR_SEPARATOR(c) IS_UNIX_DIR_SEPARATOR (c)
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# define IS_ABSOLUTE_PATH(f) IS_UNIX_ABSOLUTE_PATH (f)
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#endif
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#define IS_DIR_SEPARATOR_1(dos_based, c) \
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(((c) == '/') \
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|| (((c) == '\\') && (dos_based)))
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#define HAS_DRIVE_SPEC_1(dos_based, f) \
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((f)[0] && ((f)[1] == ':') && (dos_based))
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/* Remove the drive spec from F, assuming HAS_DRIVE_SPEC (f).
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The result is a pointer to the remainder of F. */
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#define STRIP_DRIVE_SPEC(f) ((f) + 2)
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#define IS_DOS_DIR_SEPARATOR(c) IS_DIR_SEPARATOR_1 (1, c)
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#define IS_DOS_ABSOLUTE_PATH(f) IS_ABSOLUTE_PATH_1 (1, f)
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#define HAS_DOS_DRIVE_SPEC(f) HAS_DRIVE_SPEC_1 (1, f)
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#define IS_UNIX_DIR_SEPARATOR(c) IS_DIR_SEPARATOR_1 (0, c)
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#define IS_UNIX_ABSOLUTE_PATH(f) IS_ABSOLUTE_PATH_1 (0, f)
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/* Note that when DOS_BASED is true, IS_ABSOLUTE_PATH accepts d:foo as
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well, although it is only semi-absolute. This is because the users
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of IS_ABSOLUTE_PATH want to know whether to prepend the current
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working directory to a file name, which should not be done with a
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name like d:foo. */
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#define IS_ABSOLUTE_PATH_1(dos_based, f) \
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(IS_DIR_SEPARATOR_1 (dos_based, (f)[0]) \
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|| HAS_DRIVE_SPEC_1 (dos_based, f))
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extern int filename_cmp (const char *s1, const char *s2);
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#define FILENAME_CMP(s1, s2) filename_cmp(s1, s2)
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extern int filename_ncmp (const char *s1, const char *s2,
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size_t n);
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#ifdef __cplusplus
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}
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#endif
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#endif /* FILENAMES_H */
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